This inventor holds 5 USPTO granted patents. Top assignees: Ciba-Geigy Ag, Ilford Limited. Active years: 1984-1994.
Location History:
- Wickford, GB (1984 - 1985)
- Wilmslow, GB (1986 - 1994)
Company Filing History:
Years Active: 1984-1994
Title: Innovations by Barrie A Freeman
Introduction
Barrie A Freeman is an accomplished inventor based in Wickford, GB. He has made significant contributions to the field of liquid processing and has been awarded a total of 5 patents for his innovative methods and apparatuses.
Latest Patents
One of his latest patents is a method and apparatus for preparing liquid mixtures. This invention allows for the efficient preparation of liquid mixtures in first and second containers. The first container has an outlet spaced from the bottom, which communicates with an inlet to the second container. A measured amount of the first liquid is poured into the first container, filling it to a specific height, while the remainder flows into the second container under gravity. This method is particularly useful for forming dilute solutions of concentrated liquids, such as those used in photographic developing and fixing.
Another notable patent by Freeman is a rotating drum-containing sheet or web processing apparatus. This innovative apparatus features a drum that also acts as a solution recirculating means. The drum is partially immersed in a vessel containing processing liquid, guiding the sheet or web material through the vessel. The design allows for the circulation of liquid within the vessel, enhancing the efficiency of the processing operation.
Career Highlights
Barrie A Freeman has worked with Ciba-Geigy AG, a company known for its advancements in chemical and pharmaceutical products. His work has contributed to the development of innovative solutions in liquid processing.
Conclusion
Barrie A Freeman's inventions demonstrate his commitment to advancing technology in liquid processing. His patents reflect a deep understanding of the challenges in this field and provide practical solutions that enhance efficiency and safety.

